Categories: Backdoor

Backdoor:MSIL/Chopper.FA!dha removal

The Backdoor:MSIL/Chopper.FA!dha is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Backdoor:MSIL/Chopper.FA!dha virus can do?

  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine Backdoor:MSIL/Chopper.FA!dha?


File Info:

name: D83DEB2BA89B35E24F8A.mlwpath: /opt/CAPEv2/storage/binaries/cbb257965d3d3bb455ce83b6b42b288558be2981af9f665ea59643dc9f31c14fcrc32: 744912D7md5: d83deb2ba89b35e24f8ac8411c4f9eeasha1: 61c36098acb9c99b8946a633cd7b4ee212d9a4c8sha256: cbb257965d3d3bb455ce83b6b42b288558be2981af9f665ea59643dc9f31c14fsha512: 11264917332fc6da3af35ee56bc34349bdbeb9fe688934af0f0abfcbe68e60afda278e125c131da018d8199322d235c42d7d03ec11ad109282edebaa0e8444bdssdeep: 192:s2p8UqPuA8NPTRAxzfXunF96yndHcDaZZr2Twq83ItlARmHvpYkj1VC9QQn:zsJ8NPTczfenF7dHcDMZr2Twq83ItlAbtype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windowstlsh: T1D532B62167D491E6CDFB0F362435818163F7FB4A9F96CF8C46A5219CCD0261BD3626B2sha3_384: 8836d206198bdcbb8dd146f3dba90eecf6fd01f9e63d594b85bf8f10ac6fa76cd1213632c96fcdd4774d1a203bf5d87bep_bytes: ff250020400000000000000000000000timestamp: 2024-02-06 11:28:59

Version Info:

Translation: 0x007f 0x04b0Comments: CompanyName: FileDescription: FileVersion: 0.0.0.0InternalName: App_Web_vh3t11na.dllLegalCopyright: LegalTrademarks: OriginalFilename: App_Web_vh3t11na.dllProductName: ProductVersion:

Backdoor:MSIL/Chopper.FA!dha also known as:

Bkav W32.AIDetectMalware.CS
Lionic Trojan.Win32.Chopper.m!c
Elastic malicious (high confidence)
MicroWorld-eScan Generic.MSIL.Chopper.A.20EB0006
FireEye Generic.mg.d83deb2ba89b35e2
Skyhigh BehavesLike.Win32.Infected.lm
McAfee Artemis!D83DEB2BA89B
Cylance unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of MSIL/Webshell.AA
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky HEUR:Backdoor.MSIL.Webshell.gen
BitDefender Generic.MSIL.Chopper.A.20EB0006
Avast Win32:BackdoorX-gen [Trj]
Emsisoft Generic.MSIL.Chopper.A.20EB0006 (B)
F-Secure Heuristic.HEUR/AGEN.1300030
DrWeb BackDoor.WebshellNET.1
VIPRE Generic.MSIL.Chopper.A.20EB0006
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
GData Generic.MSIL.Chopper.A.20EB0006
Varist W32/MSIL_Troj.BKP.gen!Eldorado
Avira HEUR/AGEN.1300030
Kingsoft MSIL.Backdoor.Webshell.gen
Arcabit Generic.MSIL.Chopper.A.20EB0006
ZoneAlarm HEUR:Backdoor.MSIL.Webshell.gen
Microsoft Backdoor:MSIL/Chopper.FA!dha
Google Detected
ALYac Generic.MSIL.Chopper.A.20EB0006
MAX malware (ai score=86)
VBA32 Backdoor.MSIL.Webshell.Heur
Malwarebytes Trojan.Chopper.Generic
Tencent Backdoor.MSIL.Webshell.hb
Ikarus Backdoor.MSIL.Chopper
MaxSecure Trojan.Malware.121218.susgen
Fortinet MSIL/Webshell.AA!tr
AVG Win32:BackdoorX-gen [Trj]
DeepInstinct MALICIOUS

How to remove Backdoor:MSIL/Chopper.FA!dha?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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